/* ===================================================
   CSS Custom Properties — Light Theme (default)
   =================================================== */
:root {
    --bg-body:        #f1f5f9;
    --bg-surface:     #ffffff;
    --bg-nav:         #1e3a5f;
    --bg-nav-text:    #ffffff;
    --color-primary:  #2563eb;
    --color-success:  #16a34a;
    --color-danger:   #dc2626;
    --color-warning:  #d97706;
    --color-text:     #1a1a2e;
    --color-muted:    #64748b;
    --color-border:   #e2e8f0;
    --bg-input:       #f0f4f8;
    --shadow-sm:      0 1px 3px rgba(0,0,0,.08);
    --shadow-md:      0 4px 12px rgba(0,0,0,.10);
    --radius:         0.5rem;
    --radius-sm:      0.25rem;
}

/* ===================================================
   Dark Theme
   =================================================== */
[data-theme="dark"] {
    --bg-body:        #0f172a;
    --bg-surface:     #1e293b;
    --bg-nav:         #0f172a;
    --color-primary:  #3b82f6;
    --color-success:  #22c55e;
    --color-danger:   #f87171;
    --color-warning:  #fbbf24;
    --color-text:     #e2e8f0;
    --color-muted:    #94a3b8;
    --color-border:   #334155;
    --bg-input:       #0f172a;
    --shadow-sm:      0 1px 3px rgba(0,0,0,.3);
    --shadow-md:      0 4px 12px rgba(0,0,0,.4);
}

/* ===================================================
   Reset & Base
   =================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text) !important;
    background-color: var(--bg-body) !important;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: var(--color-primary);
}

a:hover {
    text-decoration: underline;
}

/* ===================================================
   Layout
   =================================================== */
.wrapper {
    flex: 1;
    padding: 1.5rem 0;
}

/* ===================================================
   Topbar / Navbar
   =================================================== */
.app-nav {
    background-color: var(--bg-nav) !important;
    box-shadow: var(--shadow-md);
    padding: .6rem 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.app-nav .navbar-brand {
    color: var(--bg-nav-text) !important;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: .5px;
}

/* ===================================================
   Cards
   =================================================== */
.app-card {
    background-color: var(--bg-surface) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.app-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--color-border);
}

.app-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

/* ===================================================
   Tables
   =================================================== */
.app-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-surface);
    color: var(--color-text);
    border-radius: var(--radius);
    overflow: hidden;
}

.app-table thead th {
    background-color: var(--bg-nav);
    color: #fff;
    font-weight: 600;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    padding: .75rem 1rem;
    border: none;
    white-space: nowrap;
}

.app-table tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background-color .15s;
}

.app-table tbody tr:last-child {
    border-bottom: none;
}

.app-table tbody tr:hover {
    background-color: var(--bg-body);
}

.app-table td {
    padding: .65rem 1rem;
    vertical-align: middle;
    color: var(--color-text);
}

/* ===================================================
   Forms
   =================================================== */
.form-label {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: .35rem;
    display: block;
    font-size: .9rem;
}

.form-control,
.form-select,
.form-control:focus,
.form-select:focus {
    background-color: var(--bg-input) !important;
    color: var(--color-text) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-sm);
    padding: .45rem .75rem;
    width: 100%;
    font-size: .95rem;
    transition: border-color .2s, box-shadow .2s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 0 3px rgba(37,99,235,.15) !important;
}

.form-control::placeholder {
    color: var(--color-muted);
}

/* Input file — corrigir fundo do botão "Procurar" */
.form-control[type="file"]::file-selector-button {
    background-color: var(--bg-nav);
    color: #fff;
    border: none;
    padding: .4rem .75rem;
    margin-right: .75rem;
    cursor: pointer;
}

/* ===================================================
   Buttons
   =================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    cursor: pointer;
    border: 1px solid transparent;
    padding: .4rem .85rem;
    font-size: .9rem;
    border-radius: var(--radius-sm);
    transition: opacity .15s, background-color .15s;
    text-decoration: none;
}

.btn:hover {
    opacity: .88;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff !important;
}

.btn-success {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: #fff !important;
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff !important;
}

.btn-warning {
    background-color: var(--color-warning);
    border-color: var(--color-warning);
    color: #fff !important;
}

.btn-outline-primary {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary) !important;
}

.btn-outline-secondary {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-muted) !important;
}

.btn-outline-light {
    background-color: transparent;
    border-color: rgba(255,255,255,.5);
    color: #fff !important;
}

.btn-outline-light:hover {
    background-color: rgba(255,255,255,.1);
}

.btn-sm {
    padding: .25rem .55rem;
    font-size: .82rem;
}

.btn-icon {
    padding: .3rem .5rem;
    font-size: .85rem;
}

/* ===================================================
   Badges
   =================================================== */
.badge {
    display: inline-block;
    padding: .25em .55em;
    font-size: .75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.badge-success {
    background-color: var(--color-success);
    color: #fff;
}

.badge-danger {
    background-color: #c30000;
    color: #fff;
}

.badge-warning {
    background-color: #e3ca00;
    color: #3d3100;
}

.badge-count {
    background-color: var(--color-primary);
    color: #fff;
    border-radius: 999px;
    padding: .15em .6em;
    font-size: .75rem;
    font-weight: 700;
}

/* ===================================================
   Alerts / Messages
   =================================================== */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: .9rem;
}

.alert-danger {
    background-color: rgba(220,38,38,.08);
    color: var(--color-danger);
    border: 1px solid rgba(220,38,38,.2);
}

.alert-info {
    background-color: rgba(37,99,235,.08);
    color: var(--color-primary);
    border: 1px solid rgba(37,99,235,.2);
}

.alert-success {
    background-color: rgba(22,163,74,.08);
    color: var(--color-success);
    border: 1px solid rgba(22,163,74,.2);
}

/* ===================================================
   Footer
   =================================================== */
.footer {
    background-color: var(--bg-surface);
    color: var(--color-muted);
    border-top: 1px solid var(--color-border);
    padding: .75rem 1rem;
    text-align: center;
    font-size: .82rem;
}

/* ===================================================
   Login Page
   =================================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-body);
}

.login-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--bg-nav);
}

.login-logo p {
    color: var(--color-muted);
    font-size: .85rem;
    margin-top: .25rem;
}

/* ===================================================
   QR Public Page
   =================================================== */
.qr-header {
    background-color: var(--bg-nav);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
}

.qr-header img {
    height: 40px;
}

.qr-detail-row {
    display: flex;
    align-items: baseline;
    gap: .5rem;
    padding: .55rem 0;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.qr-detail-row:last-child {
    border-bottom: none;
}

.qr-detail-label {
    font-weight: 600;
    color: var(--color-muted);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .4px;
    min-width: 110px;
    flex-shrink: 0;
}

.qr-detail-value {
    color: var(--color-text);
    font-size: .95rem;
    word-break: break-word;
}

/* ===================================================
   PDF List (qr.php)
   =================================================== */
.pdf-list {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.pdf-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .6rem .75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--bg-body);
}

.pdf-item-name {
    display: flex;
    align-items: center;
    min-width: 0;
    flex: 1;
}

.pdf-item-name span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--color-text);
    font-size: .9rem;
}

.pdf-item--removed {
    opacity: .45;
    border-color: var(--color-danger) !important;
}

@media (max-width: 576px) {
    .pdf-item {
        flex-wrap: wrap;
        gap: .5rem;
    }
    .pdf-item-name {
        width: 100%;
    }
    .pdf-item-controls {
        width: 100%;
        justify-content: flex-end;
    }
}

/* ===================================================
   Loading overlay (form submit)
   =================================================== */
#loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.35);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

#loading-overlay.active {
    display: flex;
}

/* ===================================================
   Utilities
   =================================================== */
.text-muted { color: var(--color-muted) !important; }
.text-white  { color: #fff !important; }
.text-success { color: var(--color-success) !important; }
.text-danger  { color: var(--color-danger) !important; }
.text-primary { color: var(--color-primary) !important; }

.bg-surface { background-color: var(--bg-surface); }
.border-top-custom { border-top: 1px solid var(--color-border); }

/* ===================================================
   Responsive
   =================================================== */
@media (max-width: 768px) {
    .app-card {
        padding: 1rem;
    }

    .app-table thead {
        display: none;
    }

    .app-table tbody {
        display: flex;
        flex-direction: column;
        gap: .85rem;
    }

    .app-table tbody tr {
        display: block;
        background-color: var(--bg-surface) !important;
        border: 1px solid var(--color-border);
        border-left: 4px solid var(--color-primary);
        border-radius: var(--radius-sm);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
        margin-bottom: 0;
    }

    .app-table tbody tr:last-child {
        border-bottom: 1px solid var(--color-border);
    }

    .app-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: .45rem .75rem;
        border-bottom: 1px solid var(--color-border);
        gap: .5rem;
    }

    .app-table td:first-child {
        background-color: rgba(37, 99, 235, .06);
        font-weight: 600;
    }

    .app-table td:last-child {
        border-bottom: none;
    }

    .app-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--color-muted);
        font-size: .75rem;
        text-transform: uppercase;
        letter-spacing: .4px;
        white-space: nowrap;
        flex-shrink: 0;
        min-width: 90px;
    }

    .login-card {
        margin: 1rem;
    }
}